Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet
Reference 310.55.42.50.52.002
About this watch
The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.002 is a legendary timepiece that combines stunning aesthetics with advanced horological technology. This manual-winding chronograph movement boasts exceptional precision and reliability, featuring a co-axial escapement and silicon balance spring. The watch's luxurious materials, including Canopus gold and gem-set bezel, add a sophisticated touch. With its water resistance of 50 meters, this watch is perfect for everyday adventures. The Speedmaster series is Omega's flagship line, known for its association with space exploration, making it a worthy investment for collectors and enthusiasts.
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Key Features
- Omega caliber 3861 movement
- Canopus gold case and bezel
- Gem-set indexes and rainbow accents
- Chronograph function with co-axial escapement
- Silicon balance spring for exceptional reliability
- Water resistance of 50 meters
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet
- Reference
- 310.55.42.50.52.002
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- White Gold 42mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings

Omega SPEEDMASTER PROFESSIONAL MOONWATCH 3861 WHITE DIAL 2025 WARRANTY FULL SET
This is a new 2025 model Omega Speedmaster Professional Moonwatch with a 42mm stainless steel case and white dial, featuring a manual-winding chronograph movement with co-axial escapement.
- Condition: Excellent Condition
- Movement: 3861 Manual-Winding Chronograph
- Case material: Stainless Steel
- Diameter: 42mm
![[WTS] Omega Speedmaster Automatic MK40 Day Date Ref 3520.53](https://external-preview.redd.it/7nGkjbMhVxrm84CqOK5ux_m_3x-lP765HQ1Dz5Kr_aU.jpeg?auto=webp&s=914f577263d19c6a84251a5d3b5824ad90e22b02)
Omega Speedmaster Automatic MK40 Day Date Ref 3520.53
One of the coolest Speedmaster variants, featured in A Man and His Watch, with a tritium dial and luminova hands.
- Condition: Pre-owned, with wear and dings on the bezel, insert, and case
- Case size: 39mm diameter

Omega Speedmaster Professional Tokyo 2020 522.30.42.30.03.001
This Omega Speedmaster Professional Tokyo 2020 is a high-end watch that comes with its original boxes and books, but no warranty card. It's in excellent condition.
- Condition: Excellent condition
- Box And Papers: includes
- Warranty Card: no
![[WTS] Omega Speedmaster Professional Sapphire 3861](https://external-preview.redd.it/GFyeMHjiQugc7k3v7DpjwLCL0zKQBy4P6cRRNI8ynoc.jpeg?auto=webp&s=ba20feb41ea99b61fea9993fbc3097cd9d62b82c)
Omega Speedmaster Professional Sapphire 3861
A Omega Speedmaster Professional Sapphire Sandwich sold on an OEM rubber strap, also including an unworn leather strap and full kit of original accessories.
- Condition: Excellent preowned
- Strap included: 2
- Case condition: preowned

Omega Speedmaster - First Omega in Space - FOIS - 310.30.40.50.06.001 ( new )
This Omega Speedmaster 3861 Anniversary Series is a brand new First Omega in Space (FOIS) model, reference # 310.30.40.50.06.001, featuring a stainless steel case and Omega 3861 calibre.
- Condition: Brand New / Complete Set
- Case Size: 39.7mm
- Material: Stainless Steel
- Calibre: Omega 3861
![[WTS] White Omega Speedmaster Pro](https://preview.redd.it/8vigxlnkkc6f1.jpg?width=640&crop=smart&auto=webp&s=50e9a6ec643c18bfa7d032ecdc85d3cb870fd824)
White Omega Speedmaster Pro
A white dial Omega Speedmaster Pro comes with a box and card, and has a warranty dated July 2024.
- Box: yes, included
- Card: yes, included
- Warranty: until July 2026
![[WTS] OMEGA Speedmaster Dark Side of the Moon “Black Black”- DSOTM - 311.92.44.51.01.005](https://preview.redd.it/jpel7nirib6f1.jpg?width=640&crop=smart&auto=webp&s=d2afe3ae6f1cc6e1d4ac2e36a6c51af04fdb689e)
OMEGA Speedmaster Dark Side of the Moon “Black Black”- DSOTM - 311.92.44.51.01.005
This is a rare Omega Speedmaster Dark Side of the Moon "Black Black" watch, one of only 56 pieces made in this colorway.
- Condition: Excellent condition, very little signs of wear
- Case Diameter: 44mm
- Band Material:
- Movement Type:
![[WTS] Omega Speedmaster Professional Rubber strap with fold over clasp $500](https://external-preview.redd.it/eJ5kngWdNFHUme9RGEt4LJw0JOBzXsn9IA8DRREab4E.jpeg?auto=webp&s=3da254ad4064ab936f192cbc12f58761d722f866)
Omega Speedmaster Professional Rubber strap with fold over clasp $500
A rubber strap for an Omega Speedmaster Professional, purchased from Omega and used for about two months.
- Condition: Pre-owned with minor damage
- Material: rubber
- Strap Condition: pre-owned
- Damage Description: scratch on the clasp
![[WTS] Omega Speedmaster Broad Arrow $3900](https://preview.redd.it/rcdt3dwyu66f1.jpg?width=640&crop=smart&auto=webp&s=22637bdcd6c945435fe37c1c21eeb7b342c09dcf)
Omega Speedmaster Broad Arrow $3900
- Key1: $3900